IT1214239B - Controllo dinamico di uno stadio mescolatore - Google Patents

Controllo dinamico di uno stadio mescolatore

Info

Publication number
IT1214239B
IT1214239B IT8783617A IT8361787A IT1214239B IT 1214239 B IT1214239 B IT 1214239B IT 8783617 A IT8783617 A IT 8783617A IT 8361787 A IT8361787 A IT 8361787A IT 1214239 B IT1214239 B IT 1214239B
Authority
IT
Italy
Prior art keywords
dynamic control
mixer stage
mixer
stage
dynamic
Prior art date
Application number
IT8783617A
Other languages
English (en)
Other versions
IT8783617A0 (it
Inventor
Rinaldo Graziadei
Giorgio Rossi
Original Assignee
Sgs Microelettronica Spa
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sgs Microelettronica Spa filed Critical Sgs Microelettronica Spa
Priority to IT8783617A priority Critical patent/IT1214239B/it
Publication of IT8783617A0 publication Critical patent/IT8783617A0/it
Priority to EP19880830136 priority patent/EP0287524A3/en
Priority to US07/175,994 priority patent/US4872206A/en
Priority to JP63091214A priority patent/JPS63278407A/ja
Application granted granted Critical
Publication of IT1214239B publication Critical patent/IT1214239B/it

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers without distortion of the input signal
    • H03G3/20—Automatic control
    • H03G3/30—Automatic control in amplifiers having semiconductor devices
    • H03G3/3052—Automatic control in amplifiers having semiconductor devices in bandpass amplifiers (H.F. or I.F.) or in frequency-changers used in a (super)heterodyne receiver
    • H03G3/3068—Circuits generating control signals for both R.F. and I.F. stages
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers without distortion of the input signal
    • H03G3/20—Automatic control
    • H03G3/30—Automatic control in amplifiers having semiconductor devices
    • H03G3/34—Muting amplifier when no signal is present or when only weak signals are present, or caused by the presence of noise signals, e.g. squelch systems
    • H03G3/348—Muting in response to a mechanical action or to power supply variations, e.g. during tuning; Click removal circuits
IT8783617A 1987-04-13 1987-04-13 Controllo dinamico di uno stadio mescolatore IT1214239B (it)

Priority Applications (4)

Application Number Priority Date Filing Date Title
IT8783617A IT1214239B (it) 1987-04-13 1987-04-13 Controllo dinamico di uno stadio mescolatore
EP19880830136 EP0287524A3 (en) 1987-04-13 1988-03-30 Mixer dynamic control
US07/175,994 US4872206A (en) 1987-04-13 1988-03-31 Mixer dynamic control
JP63091214A JPS63278407A (ja) 1987-04-13 1988-04-13 ミクサダイナミックコントロール

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT8783617A IT1214239B (it) 1987-04-13 1987-04-13 Controllo dinamico di uno stadio mescolatore

Publications (2)

Publication Number Publication Date
IT8783617A0 IT8783617A0 (it) 1987-04-13
IT1214239B true IT1214239B (it) 1990-01-10

Family

ID=11323203

Family Applications (1)

Application Number Title Priority Date Filing Date
IT8783617A IT1214239B (it) 1987-04-13 1987-04-13 Controllo dinamico di uno stadio mescolatore

Country Status (4)

Country Link
US (1) US4872206A (it)
EP (1) EP0287524A3 (it)
JP (1) JPS63278407A (it)
IT (1) IT1214239B (it)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04505392A (ja) * 1989-05-18 1992-09-17 モトローラ・インコーポレーテッド 相互変調ひずみを低減するための方法および装置
JPH0338906A (ja) * 1989-07-05 1991-02-20 Pioneer Electron Corp 受信装置
US5239701A (en) * 1989-11-15 1993-08-24 Sanyo Electric Co., Ltd. Radio receiver with improved channel selection and reception
US5303394A (en) * 1991-08-09 1994-04-12 Rockwell International Feedback stabilized Q multiplier filter circuit
EP0600637A1 (en) * 1992-12-01 1994-06-08 Hughes Aircraft Company System for distributed digital receiver gain control
US5765100A (en) * 1995-02-03 1998-06-09 Symbol Technologies, Inc. Communication diversity by image reception
GB9508592D0 (en) * 1995-04-27 1995-06-14 Rca Thomson Licensing Corp Rf filter and agc circuit
US5940143A (en) * 1995-10-06 1999-08-17 Hitachi, Ltd. High-definition television signal receiving apparatus and gain control circuit thereof
JP3528727B2 (ja) * 1999-12-08 2004-05-24 日本電気株式会社 受信電力計算回路及びそれを用いた受信機
JP2002118483A (ja) 2000-10-11 2002-04-19 Matsushita Electric Ind Co Ltd 無線回路装置及び無線回路装置の制御方法
JP2003218711A (ja) * 2002-01-22 2003-07-31 Alps Electric Co Ltd Ｆｍ受信機のａｇｃ回路
US7212798B1 (en) * 2003-07-17 2007-05-01 Cisco Technology, Inc. Adaptive AGC in a wireless network receiver
KR100788637B1 (ko) * 2006-10-02 2007-12-26 (주)에프씨아이 이득제어 및 다중대역의 처리가 가능한 수신기
US10027355B2 (en) * 2016-01-19 2018-07-17 Analog Devices Global Blocker detection based automatic gain control

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3495244A (en) * 1968-10-07 1970-02-10 Hazeltine Research Inc Interference discriminating apparatus
US3665317A (en) * 1970-04-07 1972-05-23 Rca Corp Sequential agc system for signal receiver
JPS5722245B2 (it) * 1974-12-28 1982-05-12
JPS52140820A (en) * 1976-05-19 1977-11-24 Hitachi Ltd Shunt motor control system
JPS55116681A (en) * 1979-02-28 1980-09-08 Ngk Insulators Ltd Ceramic part bonding method
JPS55150624A (en) * 1979-05-12 1980-11-22 Clarion Co Ltd Agc system of fm receiver
JPS5837242B2 (ja) * 1980-05-19 1983-08-15 工業技術院長 重質油のガス化方法
US4455681A (en) * 1981-12-21 1984-06-19 Wile Donald T Dual threshold wide band/narrow band AGC
DE3210454A1 (de) * 1982-03-22 1983-09-22 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Empfaenger-eingangsschaltung
JPS58201415A (ja) * 1982-05-20 1983-11-24 Akai Electric Co Ltd 受信機のａｇｃ回路
US4538300A (en) * 1983-09-07 1985-08-27 Sprague Electric Company Linear signal strength detector in AM radio
JPS6150354U (it) * 1984-09-03 1986-04-04

Also Published As

Publication number Publication date
US4872206A (en) 1989-10-03
IT8783617A0 (it) 1987-04-13
EP0287524A3 (en) 1990-12-27
EP0287524A2 (en) 1988-10-19
JPS63278407A (ja) 1988-11-16

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Legal Events

Date Code Title Description
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19970429